This study aims to compare the efficacy between Boonme stick exercise and quadriceps strengthening exercise in knee osteoarthritis.Patients diagnosed as knee osteoarthritis using Altman criteria will be randomized into 2 groups using simple random technique. Patients will be instructed and trained for both quadriceps or Boonme stick exercise by one-trained physical therapist. All patients will be treated with behavioral modification, NSAIDs and analgesic drugs and regularly follow-up . Assessment included visual analogue scale, exercise compliance, WOMAC and patient satisfaction were done by an assessor in a blinded fashion.